CN107614172B - T-slot cutter - Google Patents

T-slot cutter Download PDF

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Publication number
CN107614172B
CN107614172B CN201580080091.7A CN201580080091A CN107614172B CN 107614172 B CN107614172 B CN 107614172B CN 201580080091 A CN201580080091 A CN 201580080091A CN 107614172 B CN107614172 B CN 107614172B
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CN
China
Prior art keywords
inserts
protrusion
recess portion
main body
face
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Active
Application number
CN201580080091.7A
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Chinese (zh)
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CN107614172A (en
Inventor
大泽二朗
依田智纪
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OSG Corp
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OSG Corp
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Publication of CN107614172A publication Critical patent/CN107614172A/en
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Publication of CN107614172B publication Critical patent/CN107614172B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/10—Shank-type cutters, i.e. with an integral shaft
    • B23C5/1054—T slot cutters
    • B23C5/1072—T slot cutters with removable cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/10—Shank-type cutters, i.e. with an integral shaft
    • B23C5/1054—T slot cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/12—Cutters specially designed for producing particular profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/202—Plate-like cutting inserts with special form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/26—Securing milling cutters to the driving spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2200/00—Details of milling cutting inserts
    • B23C2200/36—Other features of the milling insert not covered by B23C2200/04 - B23C2200/32
    • B23C2200/361—Fixation holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/02—Connections between the shanks and detachable cutting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/03—Cutting heads comprised of different material than the shank irrespective of whether the head is detachable from the shank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/24—Overall form of the milling cutter
    • B23C2210/242—Form tools, i.e. cutting edges profiles to generate a particular form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/24—Overall form of the milling cutter
    • B23C2210/244—Milling cutters comprised of disc-shaped modules or multiple disc-like cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/50—Cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2270/00—Details of milling machines, milling processes or milling tools not otherwise provided for
    • B23C2270/14—Constructions comprising exactly two similar components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2270/00—Details of milling machines, milling processes or milling tools not otherwise provided for
    • B23C2270/16—Constructions comprising three or more similar components

Abstract

T-slot cutter (1) is the tool for cutting T slot on workpiece, has main body (2A) and embedded division (3).Embedded division (3) is fixed on the top end part of main body (2A) using screw (8).Embedded division (3) is to constitute inserts (4) and inserts (5) overlapping.The combination of the inserts of embedded division (3) is constituted, by changing so as to simply adjust the groove width and angular shape of the T slot cut on workpiece.In addition, the protrusion on the joint surface of inserts (4) and recess portion are Chong Die with the recess portion on the joint surface of inserts (5) and protrusion on inserts (4,5) respective joint surface.Therefore, respective a part overlaps each other inserts (4,5) in a thickness direction, therefore can shorten the protrusion length of embedded division (3).

Description

T-slot cutter
Technical field
The present invention relates to a kind of on workpiece cut T-shaped slot T-slot cutter.
Background technique
There has been proposed following T-slot cutter, with shank and the blade for being set to shank top, by being revolved around axle center Turn driving T-slot cutter, to cut the slot of T-shaped on workpiece (for example, referring to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2009-18354 bulletin
Summary of the invention
Problems to be solved by the invention
For the T-slot cutter recorded in patent document 1, need with will the slot of work pieces process width (with Length on axial parallel direction) and angular shape correspondingly prepare T-slot cutter respectively.Therefore, tool number increases, therefore The manufacturing cost of tool increases, and in addition to this there is also the problems of tool management trouble.
The T in the angular shape of the groove width and slot of work pieces process can be simply adjusted the purpose of the present invention is to provide one kind T-slot cutter.
Using the solution of the present invention, a kind of T-slot cutter is provided, is used to process the slot of T-shaped on workpiece, the T T-slot cutter includes columned main body；Discoid embedded division；And fixation member, by the embedded division can fill The mode unloaded is fixed on the axial one end of the main body, which is characterized in that the embedded division can by one in periphery and There is the discoid inserts of blade to constitute for side, or by having the discoid embedding of blade in periphery and side for multiple Overlapping is on the same axis to constitute each other for part, and the inserts all has in two faces: protrusion, respectively from the thickness side of the inserts To the two sides of center towards the thickness direction be protrudedly formed, and it is farthest apart from the center；And recess portion, setting exist Part other than the protrusion is protrudedly formed from the center towards the two sides of the thickness direction respectively, and compares institute It is low to state protrusion, it is each in the first inserts and the second inserts overlapped each other when overlapping multiple inserts on the same axis each other From joint surface in, it is embedding that the insertion of the protrusion that is arranged on the joint surface of first inserts is arranged on described second In the recess portion on the joint surface of part, the protrusion insertion quilt on the joint surface of second inserts is set It is arranged in the recess portion on the joint surface of first inserts.
In the present solution, constitute embedded division due to overlapping multiple inserts on the same axis, combination can be utilized Inserts simply adjusts the angular shape of the groove width and slot processed on workpiece.In addition, in the first inserts overlapped each other and second On the respective joint surface of inserts, the recess portion of the second insert side, the protrusion insertion of the second insert side are inserted into the protrusion of the first insert side The recess portion of first insert side.First inserts and the second inserts respective a part on respective thickness direction overlap each other.By This, the thickness of embedded division when the first inserts and the second inserts are overlapped becomes monomer more respective than the first inserts and the second inserts Thickness add up to it is small.Therefore, this programme can shorten the protrusion length of embedded division, therefore can be improved tool rigidity.Also, It is able to suppress the vibration generated when rotation.
It is arranged between the blade and the central part of the inserts in the present solution, being also possible to the protrusion.At this In scheme, the protrusion with thickness in inserts, which is correspondingly arranged, therefore with the blade that inserts periphery is arranged in be can be improved The rigidity of the outer peripheral portion of the bearing blade of inserts.
In the present solution, being also possible to be equipped with the axis penetrated through along the thickness direction in the central part of the inserts Hole, in the contact surface of the one end setting and the single-contact of the inserts of the main body, at the center of the contact surface It is provided with along the axially projecting of the main body and can be inserted into the hub of the axis hole.In the one end that inserts is fixed on to main body When, by the axis hole of the hub of main body side insertion inserts, benefit in the state of making contact face contact of the single side of inserts with main body side It is fixed with fixation member.Therefore, the one end positioning that this programme can simply by inserts relative to main body, therefore, Neng Gougao Effect ground carries out installation exercise of the inserts relative to main body.
In the present solution, being also possible to be respectively arranged on the contact surface: main body side protrusion, be set to The recess portion of the single side is corresponding to be positioned against the single-face side and is protrusively provided, and can be inserted into the recess portion；It is main Side recess portion is arranged lower than the main body side protrusion in position corresponding with the protrusion of the single side is set to, And the protrusion can be made to be inserted into the inside of the main body side pocket.In the single side and contact face contact for making inserts, can will be arranged In in the main body side pocket that the protrusion insertion of the single side of inserts is arranged at contact surface.Therefore, this programme can further shorten The protrusion length of embedded division.
In the present solution, being also possible to the fixation member is screw, setting is along the thickness side in the inserts Position corresponding with the insertion hole to perforation and for the insertion hole of the bar portion of screw insertion, in the contact surface Threaded hole for fastening the screw is set.Therefore, inserts can be firmly fixed at main body by this programme.
In the present solution, being also possible to be arranged in the top of the protrusion on the joint surface of first inserts Portion is abutted with the bottom of the recess portion on the joint surface that second inserts is arranged in, and second inserts is arranged in The top end part of the protrusion on the joint surface not with first inserts is set the joint surface on the recess portion Bottom contact.Therefore, this programme can not shake on the joint surface of the first inserts with the joint surface of the second inserts parallel folded It closes, therefore, the thickness for the embedded division being made of multiple inserts can be made uniform.
In the present solution, be also possible to each face in two faces of the inserts, the quantity of the protrusion and described The quantity of recess portion is identical n, will be drawn from the central part of the inserts and the most peripheral portion contacts of the protrusion Two the first imaginary lines when the protrusion is integrally incorporated between them shown in minimum angles be set as X, will be from institute That states central part extraction does not include the protrusion between two the second imaginary lines of the most peripheral portion contacts of the recess portion When maximum angle be set as Y, in this case, X < Y, n respective X's in protrusion is total less than 180 °, and n are described recessed The total of the respective Y in portion is greater than 180 °, the maximum angle X in the n respective X in protrusionmaxLess than 180 °/n, n described recessed Maximum angle Y in the respective Y in portionmaxGreater than 180 °/n.Therefore, though in turn by inserts, it is each in two faces of inserts The protrusion being arranged on a face and recess portion also can be Chong Die with the recess portion of the inserts of another party and protrusion.
In the present solution, being also possible to constitute the embedded division overlapping multiple inserts on the same axis each other When, by the way that any one of multiple described inserts are changed to the different inserts of thickness, so as to simply adjust benefit The groove width cut on the workpiece with the blade being separately positioned on multiple inserts.Therefore, this programme can Simply adjust the groove width cut on workpiece.
In the present solution, being also possible to the embedded division includes first inserts；Second inserts；And third Inserts is the inserts being superimposed between first inserts and second inserts, by changing the third inserts Thickness, the length i.e. slot on the direction parallel with the axial direction of the slot cut on the workpiece can be adjusted It is wide.Therefore, this programme inserts different by the overlapped thickness in embedded division, can change the thickness of embedded division 3, therefore can Simply adjust the groove width cut on workpiece.
In the present solution, be also possible to the spacer with plate, overlapped on the same axis each other by multiple inserts When, which overlaps between the joint surface of first inserts and the joint surface of second inserts.Therefore, This programme spacer different by replacement thickness, can simply adjust the groove width cut on workpiece.
It is arranged in the present solution, being also possible to the spacer arrangement on the joint surface in first inserts The protrusion and abut and be arranged on the joint surface of second inserts described recessed with the top end part of the protrusion Between the bottom in portion.Thereby, it is possible to simply to the additional width corresponding with the thickness of spacer of groove width cut on workpiece Degree.
Detailed description of the invention
Fig. 1 is the overall perspective view of T-slot cutter 1.
Fig. 2 is the perspective view of inserts 4.
Fig. 3 is the top view of inserts 4.
Fig. 4 is the side view of inserts 4.
Fig. 5 is the perspective view of inserts 5.
Fig. 6 is the top view of inserts 5.
Fig. 7 is the side view of inserts 5.
Fig. 8 is to indicate to overlap inserts 4 and inserts 5, and the figure of the method for embedded division 3 is made.
Fig. 9 is to observe the obtained figure of embedded division 3 from 4 side of inserts.
Figure 10 is the side view of inserts 130.
Figure 11 is the top view of inserts 130.
Figure 12 is the part amplification stereogram of the tip side of main body 2A.
Figure 13 is the end view drawing of the tip side of main body 2A.
Figure 14 is the part amplification stereogram of the tip side of main body 2B.
Figure 15 is the end view drawing of the tip side of main body 2B.
Figure 16 is to indicate to be superimposed with the figure of the state of inserts 5 in the mounting surface 90 of main body 2A.
Figure 17 is to indicate to be superimposed with the figure of the state of inserts 4 in the mounting surface 190 of main body 2B.
Figure 18 is in the schematic diagram by T-slot cutter 1 when cutting T slot 501 on workpiece 100.
Figure 19 is the side view for the embedded division 3 being made of inserts 4 and inserts 6.
Figure 20 is the side view for the embedded division 3 being made of inserts 7 and inserts 9.
Figure 21 is the perspective view for the embedded division 3 being made of inserts 4, inserts 5, inserts 4 these three inserts.
Figure 22 is the schematic diagram by T-slot cutter 110 when cutting T slot 502 on workpiece 100.
Figure 23 is the schematic diagram by T-slot cutter 210 when cutting T slot 503 on workpiece 100.
Figure 24 is the top view of spacer 300.
Figure 25 is indicated in the single side of inserts 5 configured with the figure of the state of spacer 300.
Figure 26 is respectively to sandwich the side view of embedded division 3 made of a spacer 300 in the two sides of inserts 5.
Specific embodiment
In the following, being explained with reference to embodiments of the present invention.In addition, the present invention is not by embodiment described below It is specific composition limited.
Referring to Fig.1, Figure 18 illustrates the construction of T-slot cutter 1.T-slot cutter 1 shown in FIG. 1 is for for example in work The tool (referring to Fig.1 8) of the slot 501 (hereinafter referred to as " T slot ") of T-shaped is cut on part 100.T-slot cutter 1 is plug-in type work Tool, comprising: generally cylindrical main body 2A；Detachably it is fixed on the top end part (axis direction one end) of main body 2A Embedded division 3.Main body 2A is mounted in the handle that main shaft of lathe (not shown) etc. is upper and can be driven in rotation.The material of main body 2A can With using the lower carbon steel such as abrasion performance, hardness, intensity compared with being constituted the aftermentioned inserts 4 of embedded division 3, inserts 5, Steel alloy etc..
Embedded division 3 is removably secured to the top end part of main body 2A using 4 screws 8.Embedded division 3 is to make one or more A discoid inserts is overlapped on the same axis and is constituted.Embedded division 3 shown in FIG. 1 is to make two inserts 4, inserts 5 coaxial It is upper overlapping and constitute.Inserts 4, inserts 5 are formed by prescribed materials such as superhard alloy, high-speed tool steel or ceramics.In addition, As needed, compound overlay film, DLC (the Diamond Like Carbon of TiN, TiCN, TiAlN, CrN etc. can also be applied； Diamond shaped carbon) film, diamond overlay film etc. hard coat, steam treatment, nitrogen treatment etc. also can be implemented.Also, such as rear institute It states, the combination for constituting the inserts of embedded division 3 can be with the groove width for the T slot to cut on workpiece (on axial parallel direction Length) and the angular shape of T slot correspondingly select.
Referring to Fig. 2~Fig. 4, specifically the construction of inserts 4 is illustrated.In addition, Fig. 4 is the figure from the direction arrow D1 Side view when inserts 4 shown in 3.As shown in Figure 2 and Figure 3, inserts 4 has inserts ontology 10 and 8 blade 11~18.Inserts Ontology 10 is formed to have the substantially discoid of specific thickness, and has a face 10A and another face 10B (referring to Fig. 4).It is embedding There is part ontology 10 axis hole 41 and 4 to be inserted into hole 43~46.The central part of inserts ontology 10 is arranged in axis hole 41, runs through a face 10A and another face 10B.Axis hole 41 is inserted into for the aftermentioned hub 111 (referring to Fig.1 2) of the top end part main body 2A is arranged in.4 Insertion hole 43~46 is configured in ten word directions respectively centered on axis hole 41, and is respectively set at and aftermentioned blade 12,14,16,18 corresponding position.These insertion hole 43~insertion holes 46 are for 4 screw 8 (referring to Fig.1) insertions.
11~blade of blade 18 is arranged circumferentially equally spaced from each otherly in the outer peripheral edge portion of inserts ontology 10.In addition, in order to Convenient for explanation, 11~blade of blade 18 is the blade configured in order clockwise in the inserts ontology 10 from a face 10A. Radially outside is in substantially rectangular shapely prominent for blade 11~18, and is formed parallel to relative to axial.The sword of blade 11~18 Sharp 11A~18A is respectively formed in week (circumferential direction when from the 10B of another face to the left when from the side 10A of a face Right side).Two corners of blade tip 11A~18A are formed as the cone cell relative to axially inclined extension.Therefore, blade 11~18 will be It is processed into cone cell in two corners of the T slot cut on workpiece.That is, the blade tip shape of blade and the T slot that is cut on workpiece The shape in two corners is corresponding.
Then, illustrate the surface shape of inserts ontology 10.As shown in Figure 2 and Figure 3, in a face 10A and another face 10B On be provided with the substantially fan type of annular recessed portion 39,8 the substantially fan type of protrusion 21~28,8 recess portion 31~38.One On a face 10A and the respective face another face 10B, 21~protrusion of protrusion 28 is separately positioned on corresponding with 11~blade of blade 18 Position.Protrusion 21 is protrusively provided between blade 11 and axis hole 41 to the thickness direction of inserts ontology 10, be formed as with Top is gone to attenuate towards 41 side of axis hole from the base portion of blade 11.Protrusion 22 is between blade 12 and insertion hole 43 to inserts ontology 10 Thickness direction be protrusively provided, be formed as with from blade 12 base portion towards insertion 43 side of hole go to top to attenuate.
Protrusion 23,25,27 is in the same manner as protrusion 21, to the thickness of inserts ontology 10 between blade 13,15,17 and axis hole 41 Degree direction is protrusively provided, and is formed as going to top to attenuate towards 41 side of axis hole with the base portion from blade 13,15,17.In addition, convex Portion 24,26,28 is in the same manner as protrusion 22, to the thickness of inserts ontology 10 between insertion hole 44,45,46 and blade 14,16,18 Direction is protrusively provided, and is formed as going to top to become with from the respective base portion of blade 14,16,18 towards insertion 44,45,46 side of hole Carefully.
In a face 10A and another face 10B, 31~recess portion of recess portion 38 is the portion in addition to 21~protrusion of protrusion 28 Point, and be arranged between 21~protrusion of protrusion 28, formed on the thickness direction of inserts ontology 10 than protrusion 21~convex Portion 28 is low.Recess portion 31 is arranged between protrusion 21 and protrusion 22, is formed as with from the outer peripheral edge portion of inserts ontology 10 towards axis 41 side of hole goes to top to attenuate.In addition, recess portion 32 is arranged between protrusion 22 and protrusion 23, and recess portion 33 is set in the same manner as recess portion 31 It sets between protrusion 23 and protrusion 24, recess portion 34 is arranged between protrusion 24 and protrusion 25, and the setting of recess portion 35 is in protrusion 25 and convex Between portion 26, recess portion 36 is arranged between protrusion 26 and protrusion 27, and recess portion 37 is arranged between protrusion 27 and protrusion 28, recess portion 38 It is arranged between protrusion 28 and protrusion 21,31~recess portion of recess portion 38 is respectively formed as with the outer peripheral edge portion court from inserts ontology 10 Top is gone to attenuate to 41 side of axis hole.Annular recessed portion 39 is annular in shape along the outer peripheral edge portion of axis hole 41 and is formed than protrusion 21~convex Portion 28 is low, and annular recessed portion 39 is connect with the respective end by 41 side of axis hole of 31~recess portion of recess portion 38.Annular recessed portion 39 and recess portion 31~recess portion 38 is same plane each other.As shown in figure 4,21~the protrusion of protrusion 28 being arranged on a face 10A and recess portion 31 ~recess portion 38 and the 21~protrusion of protrusion 28 and 31~recess portion of recess portion 38 being arranged on the 10B of another face, in inserts ontology 10 Mutually the same position is configured on thickness direction respectively.
It, will be from the center of the thickness direction of inserts ontology 10 to one as shown in figure 4, in inserts 4 with above-mentioned construction The length of the respective top end part in 21~protrusion of protrusion 28 of the side a face 10A is set as M1, will be from the thickness direction of inserts ontology 10 The length of the respective top end part in 21~protrusion of protrusion 28 of center to another face side 10B is set as M2, will be from inserts ontology 10 The length of the respective bottom of 31~recess portion of recess portion 38 of the center of thickness direction to the face side 10A is set as N1, will be from inserts sheet The length of the respective bottom of 31~recess portion of recess portion 38 of the center of the thickness direction of body 10 to another face side 10B is set as N2.It is embedding The thickness L1 of part 4 is because be 21~protrusion of protrusion 28 from 21~protrusion of protrusion 28 of the face side 10A to another face side 10B Length, therefore be that M1 is added resulting length with M2.At this point, inserts 4 can be suitable for M1=M2, M1 > M2, M1 < M2, N1=N2, N1 > N2, any situation in N1 < N2.
Referring to Fig. 5~Fig. 7, the construction of inserts 5 is specifically described.In addition, Fig. 7 is from the direction arrow D2 shown in Fig. 6 Inserts 5 when side view.As shown in Figure 5, Figure 6, inserts 5 has inserts ontology 50 and 8 blade 51~58.Inserts ontology 50 It is formed to have the substantially discoid of specific thickness, and there is a face 50A and another face 50B (referring to Fig. 7).Inserts ontology 50 there is axis hole 81 and 4 to be inserted into hole 83~86.Axis hole 81 is set to the central part of inserts ontology 50, through face 50A and Another face 50B.Axis hole 81 is inserted into for the aftermentioned hub 111 (referring to Fig.1 2) of the top end part of main body 2A is arranged in.4 insertions Hole 83~86 is configured in ten word directions respectively centered on axis hole 81, and be arranged respectively with blade 51 and blade 52 it Between, between blade 53 and blade 54, between blade 55 and blade 56, between blade 57 and blade 58 in corresponding each position. These insertion hole 83~insertion holes 86 are for 4 screw 8 (referring to Fig.1) insertions.
51~blade of blade 58 is arranged circumferentially equally spaced from each otherly in the outer peripheral edge portion of inserts ontology 50.In addition, in order to Convenient for explanation, 51~blade of blade 58 is the blade configured in order clockwise in the inserts ontology 50 from a face 50A. Radially outside is in substantially rectangular shapely prominent for 51~blade of blade 58, and is formed parallel to relative to axial.51~sword of blade Blade tip 51A~blade tip the 58A in portion 58 is respectively formed in week when from the side 50A of a face to the left (from another face 50B Week when observation is to the right).Identically as inserts 4, two corners of blade tip 51A~58A are again formed as prolonging relative to axially inclined The cone cell stretched.Therefore, cone cell is processed into two corners of the T slot cut on workpiece by 51~blade of blade 58.
Then, illustrate the surface shape of inserts ontology 50.As shown in Figure 5, Figure 6, in a face 50A and another face 50B On be provided with the substantially fan type of annular recessed portion 79,8 the substantially fan type of protrusion 61~68,8 recess portion 71~78.One On a face 50A and the respective face another face 50B, 61~protrusion of protrusion 68 is respectively set at opposite with 51~blade of blade 58 The position answered.Protrusion 61 is protrusively provided between blade 51 and axis hole 81 towards the thickness direction of inserts ontology 50, is formed as As the base portion from blade 51 goes to top to attenuate towards 81 side of axis hole.Protrusion 61 with insertion the duplicate part in hole 83 along insertion The curved outer edge in hole 83 is formed deviously.Protrusion 62 is between blade 52 and axis hole 81 towards the thickness side of inserts ontology 50 To being protrusively provided, be formed as going to top to attenuate towards 81 side of axis hole with the base portion from blade 52.Protrusion 62 with insertion hole 83 duplicate parts are formed deviously along the curved outer edge in insertion hole 83.
In addition, protrusion 63,64 is respectively towards inserts sheet between blade 53,54 and axis hole 81 in the same manner as protrusion 61,62 The thickness direction of body 50 is protrusively provided, and is formed as going to top to attenuate towards axis hole 81 with from the base portion of blade 53,54.Protrusion 63, the 64 curved outer edge with the insertion duplicate part in hole 84 respectively along insertion hole 84 is formed deviously.Protrusion 65,66 Be protrusively provided between blade 55,56 and axis hole 81 towards the thickness direction of inserts ontology 50, be formed as with from blade 55, 56 base portion goes to top to attenuate towards 81 side of axis hole.Protrusion 65,66 with insertion the duplicate part in hole 85 respectively along insertion hole 85 curved outer edge is formed deviously.Protrusion 67,68 is respectively to inserts ontology 50 between blade 57,58 and axis hole 81 Thickness direction is protrusively provided, and is formed as going to top to attenuate towards axis hole 81 with from the base portion of blade 57,58.Protrusion 67,68 With insertion the duplicate part in hole 86 respectively along insertion hole 86 curved outer edge formed deviously.
In a face 50A and another face 50B, 71~recess portion of recess portion 78 is the portion other than 61~protrusion of protrusion 68 Point, and be arranged between 61~protrusion of protrusion 68, formed on the thickness direction of inserts ontology 50 than protrusion 61~convex Portion 68 is low.Recess portion 71 is arranged between protrusion 61 and protrusion 62, and recess portion 72 is arranged between protrusion 62 and protrusion 63, and recess portion 73 is set It sets between protrusion 63 and protrusion 64, recess portion 74 is arranged between protrusion 64 and protrusion 65, and the setting of recess portion 75 is in protrusion 65 and convex Between portion 66, recess portion 76 is arranged between protrusion 66 and protrusion 67, and recess portion 77 is arranged between protrusion 67 and protrusion 68, recess portion 78 It is arranged between protrusion 68 and protrusion 61.71~recess portion of recess portion 78 is respectively formed as with the outer peripheral edge portion court from inserts ontology 50 Top is gone to attenuate to 81 side of axis hole.
The respective position by 81 side of axis hole of recess portion 71,73,75,77 is arranged in insertion hole 83~insertion hole 86.It is cyclic annular recessed Portion 79 is annular in shape along the outer peripheral edge portion of axis hole 81 and is formed lower than 61~protrusion of protrusion 68, and annular recessed portion 79 and recess portion 71~ The respective end by 81 side of axis hole of recess portion 78 connects.Annular recessed portion 79 and 71~recess portion of recess portion 78 are same plane each other.Such as Shown in Fig. 7,61~protrusion of protrusion 68 of a face 50A is set and 71~recess portion of recess portion 78 and is arranged in another face 50B's 61~protrusion of protrusion 68 and 71~recess portion of recess portion 78, are arranged respectively at mutually the same position on the thickness direction of inserts ontology 50 It sets.
It, will be from the center of the thickness direction of inserts ontology 50 to the face side 50A in inserts 5 with above-mentioned construction The length of the respective top end part in 61~protrusion of protrusion 68 is set as M3, by from the center of the thickness direction of inserts ontology 50 to another The length of the respective top end part in 61~protrusion of protrusion 68 of the face side 50B is set as M4, will be from the thickness direction of inserts ontology 50 The length of the respective bottom of 71~recess portion of recess portion 78 of the heart to the face side 50A is set as N3, will be from the thickness side of inserts ontology 50 To the length of the respective bottom of 71~recess portion of recess portion 78 of center to another face side 50B be set as N4.The thickness L2 of inserts 5 because To be the length of 61~protrusion of protrusion 68 from 61~protrusion of protrusion 68 of the face side 50A to another face side 50B, therefore it is M3 is added resulting length with M4.At this point, inserts 5 can be suitable for M3=M4, M3 > M4, M3 < M4, N3=N4, N3 > Any situation in N4, N3 < N4.
Reference Fig. 8, Fig. 9, the method for illustrating that inserts 4 and inserts 5 is made to overlap that embedded division 3 is made.In addition, shown in Fig. 8 Inserts 4 indicates the side from the direction arrow D1 when the inserts 4 of Fig. 3.Inserts 5 shown in Fig. 8 indicates to see from the direction arrow D3 Examine the side when inserts 5 of Fig. 6.In Fig. 9, inserts 5 indicated by the solid line indicates inserts 4 with double dot dash line.
As shown in figure 8, for example, make inserts 4 another face 10B and inserts 5 a face 50A it is opposite and overlap each other. At this point, another face 10B and a face 50A become joint surface.
As shown in Figure 8, Figure 9, the recess portion 78 for being arranged at a face 50A is inserted into the protrusion 21 for being set to another face 10B. The recess portion 71 for being arranged at a face 50A is inserted into the protrusion 22 for being set to another face 10B.It is set to the convex of another face 10B Portion 23 is inserted into the recess portion 72 for being arranged at a face 50A.The insertion of protrusion 24 for being set to another face 10B is arranged at a face The recess portion 73 of 50A.The recess portion 74 for being arranged at a face 50A is inserted into the protrusion 25 for being set to another face 10B.It is set to another The recess portion 75 for being arranged at a face 50A is inserted into the protrusion 26 of a face 10B.Quilt is inserted into the protrusion 27 for being set to another face 10B It is set to the recess portion 76 of a face 50A.The recess portion for being arranged at a face 50A is inserted into the protrusion 28 for being set to another face 10B 77。
On the other hand, the recess portion 31 for being arranged at another face 10B is inserted into the protrusion 61 for being set to a face 50A.Setting The recess portion 32 for being arranged at another face 10B is inserted into the protrusion of a face 50A 62.It inserts the protrusion 63 for being set to a face 50A Enter to be arranged at the recess portion 33 of another face 10B.The insertion of protrusion 64 for being set to a face 50A is arranged at another face 10B Recess portion 34.The recess portion 35 for being arranged at another face 10B is inserted into the protrusion 65 for being set to a face 50A.It is set to a face The recess portion 36 for being arranged at another face 10B is inserted into the protrusion 66 of 50A.The insertion of protrusion 67 for being set to a face 50A is set In the recess portion 37 of another face 10B.The recess portion 38 for being arranged at another face 10B is inserted into the protrusion 68 for being set to a face 50A. As described above, inserts 4 and inserts 5 overlap each other on the same axis, to constitute embedded division 3.
Here, being set to the top end part of the protrusion 21 of another face 10B in embedded division 3 and being set to a face 50A's The bottom of recess portion 78 abuts.It is set to the top end part of the protrusion 22 of another face 10B and the recess portion 71 for being set to a face 50A Bottom abuts.The bottom of the top end part and the recess portion 72 for being set to a face 50A that are set to the protrusion 23 of another face 10B is supported It connects.The top end part for being set to the protrusion 24 of another face 10B is abutted with the bottom for the recess portion 73 for being set to a face 50A.Setting It is abutted in the top end part of the protrusion 25 of another face 10B with the bottom for the recess portion 74 for being set to a face 50A.It is set to another The top end part of the protrusion 26 of face 10B is abutted with the bottom for the recess portion 75 for being set to a face 50A.It is set to another face 10B's The top end part of protrusion 27 is abutted with the bottom for the recess portion 76 for being set to a face 50A.It is set to the protrusion 28 of another face 10B Top end part is abutted with the bottom for the recess portion 77 for being set to a face 50A.
On the other hand, the top end part of the protrusion 61 of a face 50A and the recess portion 31 for being set to another face 10B are set to Bottom is opposite across gap.It is set to the top end part of the protrusion 62 of a face 50A and the recess portion 32 for being set to another face 10B Bottom is opposite across gap, is set to the top end part of the protrusion 63 of a face 50A and the recess portion 33 for being set to another face 10B Bottom is opposite across gap.It is set to the top end part of the protrusion 64 of a face 50A and the recess portion 34 for being set to another face 10B Bottom is opposite across gap.It is set to the top end part of the protrusion 65 of a face 50A and the recess portion 35 for being set to another face 10B Bottom is opposite across gap.It is set to the top end part of the protrusion 66 of a face 50A and the recess portion 36 for being set to another face 10B Bottom is opposite across gap.It is set to the top end part of the protrusion 67 of a face 50A and the recess portion 37 for being set to another face 10B Bottom is opposite across gap.It is set to the top end part of the protrusion 68 of a face 50A and the recess portion 38 for being set to another face 10B Bottom is opposite across gap.
As shown in figure 8, the thickness L3 of embedded division 3 is equivalent to the 21~protrusion of protrusion for being arranged at a face 10A of inserts 4 Between 28 respective top end parts and the respective top end part in 61~protrusion of protrusion 68 of another face 50B for being arranged at inserts 5 Distance.Also, as described above, the protrusion of another face 10B and the recess portion of a face 50A overlap each other, another face 10B's is recessed Portion and the protrusion of a face 50A overlap each other, therefore, can make the thickness M2 of another face side 10B of inserts 4 (referring to Fig. 4) It overlaps each other on the thickness direction of embedded division 3 with the thickness M3 (referring to Fig. 7) of the face side 50A of inserts 5.That is, T-slot mills Knife 1 can make the thickness L3 of embedded division 3 than by thickness L2 (reference Fig. 7) phase of the thickness L1 of inserts 4 (referring to Fig. 4) and inserts 5 Add resulting apart from short.For example, when the thickness L1 of inserts 4 is 5mm, the thickness L2 of inserts 5 is 4mm, the list of inserts 4, inserts 5 Thickness L1, L2's of body adds up to 9mm, and in contrast, total L3 of the thickness under overlap condition is 8mm.The inserts 4 of the situation It is 1mm with the length to overlap each other on the thickness direction of inserts 5.T-slot cutter 1 can make the axis side of embedded division 3 as a result, Upward protrusion length shortens, and therefore, can be improved the rigidity of embedded division 3.In addition, due to the rigidity that can be improved embedded division 3, Therefore, it is able to suppress the vibration generated when T-slot cutter 1 rotates.
In addition, inserts 4, inserts 5 can be made to partly overlap in a thickness direction, therefore, the blade 11~18 of inserts 4 and embedding The blade 51~58 of part 5 partly overlaps in a thickness direction.As a result, by blade 11~18 cut cutting face with by blade 51~ The cutting faces of 58 cuttings without departing from but it is continuous, so as to keep cutting face smooth.
In addition, as described above, the top end part of 21~protrusion of protrusion 28 of another face 10B of inserts 4 respectively with inserts 5 The bottom of 71~recess portion of recess portion 78 of one face 50A abuts, but the top end part of 61~protrusion of protrusion 68 of 5 side of inserts and inserts 4 The bottom of 31~recess portion of recess portion 38 do not contact.The reason is that the height of 61~protrusion of protrusion 68 of inserts 5 is less than inserts 4 31~recess portion of recess portion 38 depth.In addition, the height of protrusion refers to the difference in height between recess portion, be from the bottom of recess portion to The length of the top end part of protrusion.The depth of recess portion refers to the difference in height between protrusion, is from the top end part of protrusion to recess portion The length of bottom.Embedded division 3 can make inserts 4 and the overlapping balancedly parallel to each other of inserts 5 as a result,.
0, Figure 11 referring to Fig.1 illustrate the protrusion in inserts and the configuration condition of recess portion.Inserts 4 shown in Fig. 8 and inserts The protrusion of 5 respective joint surface settings and recess portion, even if in turn by one of inserts 4, inserts 5 or both, also can It overlaps each other.Therefore, it is necessary to which the protrusion in two faces for being set to inserts and recess portion are configured according to aftermentioned configuration condition. Here, for the inserts 130 shown in Figure 10, Figure 11, to illustrate the configuration condition of protrusion and recess portion.In addition, Figure 10 is from arrow Head D4 observes in direction the side view when inserts 130 of Figure 11.
Inserts 130 has discoid inserts ontology 140.In addition, the sword of inserts 130 will be set in Figure 10, Tu11Zhong Portion, axis hole, insertion hole are omitted.Inserts ontology 140 has face 140A and another face 140B.One face 140A and another The surface shape of face 140B is identical.
As shown in figure 11, on a face 140A, clockwise by 5 protrusions 141~145 in a manner of surrounding center O It is alternately configured with 5 recess portions 151~155.Then, the outermost periphery with the circumferential two sides of protrusion 141 respectively is drawn from center O The imaginary line A1 and imaginary line A2 of portion's contact, are integrally incorporated in these imaginary lines A1 and imaginary line A2 for protrusion 141 Between when minimum angles be set as X1.Also, in the same manner as protrusion 141, by respectively with the most peripheral portion contacts of protrusion 142 The minimum angles of two imaginary lines are set as X2, by respectively with two imaginary lines of the most peripheral portion contacts of protrusion 143 Minimum angles are set as X3, and the minimum angles respectively with two imaginary lines of the most peripheral portion contacts of protrusion 144 are set as X4, Minimum angles respectively with two imaginary lines of the most peripheral portion contacts of protrusion 145 are set as X5.As long as in addition, two Between imaginary line, the respective shape in 141~protrusion of protrusion 145 can be arbitrary shape.
Also, from center O draw respectively with two imaginary lines of the most peripheral portion contacts of the circumferential two sides of recess portion 151 Maximum angle when not including protrusion between these imaginary lines B1 and imaginary line B2 is set as by B1 and imaginary line B2 Y1.In the same manner as recess portion 151, do not include respectively between two imaginary lines of the most peripheral portion contacts of recess portion 152 convex Maximum angle when portion is set as Y2, will not include between two imaginary lines of the most peripheral portion contacts of recess portion 153 respectively Maximum angle when protrusion is set as Y3, will not wrap between two imaginary lines of the most peripheral portion contacts of recess portion 154 respectively Maximum angle when containing protrusion is set as Y4, by respectively between two imaginary lines of the most peripheral portion contacts of recess portion 155 not Maximum angle when comprising protrusion is set as Y5.
Make above-mentioned such in two faces to there are two inserts 130 of protrusion and recess portion to overlap each other to constitute embedded division In the case where 3, in order to it be made to overlap with another one by one in turn, need to meet 5 following conditions.
(1) any one of X1~X5 is smaller than Y1~Y5.
(2) the respective X1~X5's in protrusion 141~145 is total less than 180 °.
(3) the total of the respective Y1~Y5 of recess portion 151~155 is greater than 180 °.
(4) the maximum angle X in X1~X5maxLess than 180/5 °.
(5) the maximum angle Y in Y1~Y5maxGreater than 180/5 °.
In addition, the case where situation X1+Y1, X2+Y2, X3+Y3, X4+Y4, X5+Y5 identical as 360/5 ° is equal part.? In this case, be set to the joint surface of the inserts 130 of a side 141~protrusion of protrusion 145 and 151~recess portion of recess portion 155 with set It is placed in 151~recess portion of recess portion 155 and the 141~protrusion of protrusion 145 on the joint surface of the inserts 130 of another party, regardless of position It can uninterruptedly overlap.In addition, the inserts 4 of present embodiment, inserts 5 are all satisfied above-mentioned configuration condition.As a result, embedding Enter in portion 3, even if in turn by one of inserts 4, inserts 5 or both, inserts 4, inserts 5 can also overlap each other, it The respective protrusion for being set to two faces and recess portion no matter how position can uninterruptedly overlap.
2, Figure 13 referring to Fig.1 illustrate the shape of the mounting surface 90 of main body 2A.Main body 2A has the peace of round in top end part Dress face 90.Inserts 5 (referring to Fig. 5, Fig. 6) can be releasably mounted on mounting surface 90.Hub is respectively arranged in mounting surface 90 Portion 111 and 4 threaded hole 113~116.Hub 111 is set to the central part of mounting surface 90, is formed as the axis along main body 2A Upper extension it is substantially cylindric.4 threaded holes 113~116 are arranged respectively in ten word directions centered on hub 111, around suitable Hour hands configure in order.4 screws 8 (referring to Fig.1) can be fastened in these 113~threaded holes of threaded hole 116.
Mounting surface 90 has concaveconvex shape corresponding with the concaveconvex shape in two faces of inserts 5.Divide on mounting surface 90 It is not provided with the recess portion 101~108 of the substantially fan type of protrusion 91~98,8 of the substantially fan type of annular recessed portion 109,8.It is convex The axis direction of portion 91 and main body 2A are provided projectingly the center between threaded hole 113 and threaded hole 116 in parallel, be formed as with Go to top to attenuate towards 111 side of hub from the outer peripheral edge portion of mounting surface 90.The axis direction of protrusion 92 and main body 2A are in parallel It is provided projectingly in the position of threaded hole 113, is formed as going to top to attenuate with from outer peripheral edge portion towards 111 side of hub.Protrusion 92 It is truncated by threaded hole 113.
In addition, the axis direction of protrusion 93 and main body 2A are provided projectingly in parallel in threaded hole 113 in the same manner as protrusion 91 The axis direction of center between threaded hole 114, protrusion 95 and main body 2A are provided projectingly in parallel in threaded hole 114 and screw thread The axis direction of center between hole 115, protrusion 97 and main body 2A are provided projectingly in parallel in threaded hole 115 and threaded hole 116 Between center, and protrusion 93, protrusion 95, protrusion 97 are respectively formed as with from the outer peripheral edge portion of mounting surface 90 towards hub 111 sides go to top to attenuate.In addition, the axis direction of protrusion 94 and main body 2A are provided projectingly in parallel in the same manner as protrusion 92 The axis direction of the position of threaded hole 114, protrusion 96 and main body 2A are provided projectingly in parallel in the position of threaded hole 115, protrusion 98 are provided projectingly in parallel with the axis direction of main body 2A in the position of threaded hole 116, and protrusion 94, protrusion 96, protrusion 98 are divided Be not formed as going to top to attenuate towards 111 side of hub with the outer peripheral edge portion from mounting surface 90.Protrusion 94, protrusion 96, protrusion 98 It is truncated by threaded hole 114,115,116.
On the other hand, 101~recess portion of recess portion 108 is arranged between 91~protrusion of protrusion 98, in the axis of main body 2A On direction, formed lower than 91~protrusion of protrusion 98 in axis direction rear end side.The setting of recess portion 101 protrusion 91 and protrusion 92 it Between, be formed as going to top to attenuate towards 111 side of hub with the outer peripheral edge portion from mounting surface 90.Also, it is same as recess portion 101 Ground, recess portion 102 are arranged between protrusion 92 and protrusion 93, and recess portion 103 is arranged between protrusion 93 and protrusion 94, and recess portion 104 is set It sets between protrusion 94 and protrusion 95, recess portion 105 is arranged between protrusion 95 and protrusion 96, and recess portion 106 is arranged in 96 He of protrusion Between protrusion 97, recess portion 107 is arranged between protrusion 97 and protrusion 98, and recess portion 108 is arranged between protrusion 98 and protrusion 91, recessed 102~recess portion of portion 108 is respectively formed as going to top to attenuate towards 111 side of hub with the outer peripheral edge portion from mounting surface 90.
Annular recessed portion 109 is set as cyclic annular along the periphery of hub 111, respective by hub with 101~recess portion of recess portion 108 The end of 111 sides connects.Annular recessed portion 109 forms lower than 101~recess portion of recess portion 108 on the axis direction of main body 2A.And And mounting surface 90 91~protrusion of protrusion 98 and 101~recess portion of recess portion 108 also meet the configuration item of above-mentioned protrusion and recess portion Part.
2, Figure 13, Figure 16 referring to Fig.1, the method for illustrating to install embedded division 3 to main body 2A.In addition, here, explanation is to be made The method for installing embedded division 3 to main body 2A for the purpose of T-slot cutter 1 shown in FIG. 1.As described above, main body 2A can be for Inserts 5 is installed.Therefore, the mounting surface 90 of another face side 50B and main body 2A that make the inserts 5 in embedded division 3 is opposite.Then, The hub 111 of mounting surface 90 is set to be sequentially inserted into the axis hole 41 of the axis hole 81 of inserts 5, inserts 4.Also, make another face of inserts 5 50B and mounting surface 90 overlap.At this point, another face 50B and mounting surface 90 become joint surface.
In Figure 16, the mounting surface 90 of main body 2A indicated by the solid line indicates inserts 5 with double dot dash line.As shown in figure 16, if The recess portion 101 for being arranged at mounting surface 90 is inserted into the protrusion 61 for being placed in another face 50B of inserts 5.It is set to another face 50B Protrusion 62 be inserted into and be arranged at the recess portion 102 of mounting surface 90.The insertion of protrusion 63 for being set to another face 50B is arranged at peace The recess portion 103 in dress face 90.The recess portion 104 for being arranged at mounting surface 90 is inserted into the protrusion 64 for being set to another face 50B.It is set to The recess portion 105 for being arranged at mounting surface 90 is inserted into the protrusion 65 of another face 50B.It inserts the protrusion 66 for being set to another face 50B Enter to be arranged at the recess portion 106 of mounting surface 90.The insertion of protrusion 67 for being set to another face 50B is arranged at the recessed of mounting surface 90 Portion 107.The recess portion 108 for being arranged at mounting surface 90 is inserted into the protrusion 68 for being set to another face 50B.
On the other hand, the recess portion 78 for being arranged at another face 50B is inserted into the protrusion 91 for being set to mounting surface 90.It is set to The recess portion 71 for being arranged at another face 50B is inserted into the protrusion 92 of mounting surface 90.Quilt is inserted into the protrusion 93 for being set to mounting surface 90 It is set to the recess portion 72 of another face 50B.The recess portion for being arranged at another face 50B is inserted into the protrusion 94 for being set to mounting surface 90 73.The recess portion 74 for being arranged at another face 50B is inserted into the protrusion 95 for being set to mounting surface 90.It is set to the protrusion of mounting surface 90 96 insertions are arranged at the recess portion 75 of another face 50B.The insertion of protrusion 97 for being set to mounting surface 90 is arranged at another face The recess portion 76 of 50B.The recess portion 77 for being arranged at another face 50B is inserted into the protrusion 98 for being set to mounting surface 90.
Then, 4 screws 8 are inserted into respectively insertion hole 43~insertion hole 46 of inserts 4, inserts 5 insertion hole 83~it is slotting Enter hole 86, and is fastened respectively to 113~threaded hole of threaded hole 116 of mounting surface 90.So, embedded division 3 is fixed in master The mounting surface 90 of body 2A constitutes T-slot cutter 1.In addition, since the inserts 4 of the T-slot cutter 1,5 respective blade tips are configured at Right side when from axial rearward end side, therefore T-slot cutter 1 is right sword.
Here, as shown in figure 16, in the state that another face 50B of inserts 5 is mounted on the mounting surface 90 of main body 2A, The top end part for being set to the protrusion 91 of mounting surface 90 is abutted with the bottom for the recess portion 78 for being set to another face 50B.It is set to peace The top end part of the protrusion 92 in dress face 90 is abutted with the bottom for the recess portion 71 for being set to another face 50B.It is set to mounting surface 90 The top end part of protrusion 93 is abutted with the bottom for the recess portion 72 for being set to another face 50B.It is set to the protrusion 94 of mounting surface 90 Top end part is abutted with the bottom for the recess portion 73 for being set to another face 50B.Be set to the top end part of the protrusion 95 of mounting surface 90 with The bottom for being set to the recess portion 74 of another face 50B abuts.It is set to the top end part of the protrusion 96 of mounting surface 90 and is set to another The bottom of the recess portion 75 of one face 50B abuts.It is set to the top end part of the protrusion 97 of mounting surface 90 and is set to another face 50B Recess portion 76 bottom abut.It is set to the top end part of the protrusion 98 of mounting surface 90 and is set to the recess portion 77 of another face 50B Bottom abut.
On the other hand, the top end part of the protrusion 61 of another face 50B and the recess portion 101 for being set to mounting surface 90 are set to Bottom is opposite across gap.It is set to the top end part of the protrusion 62 of another face 50B and the recess portion 102 for being set to mounting surface 90 Bottom is opposite across gap.It is set to the top end part of the protrusion 63 of another face 50B and the recess portion 103 for being set to mounting surface 90 Bottom is opposite across gap.It is set to the top end part of the protrusion 64 of another face 50B and the recess portion 104 for being set to mounting surface 90 Bottom is opposite across gap.It is set to the top end part of the protrusion 65 of another face 50B and the recess portion 105 for being set to mounting surface 90 Bottom is opposite across gap.It is set to the top end part of the protrusion 66 of another face 50B and the recess portion 106 for being set to mounting surface 90 Bottom is opposite across gap.It is set to the top end part of the protrusion 67 of another face 50B and the recess portion 107 for being set to mounting surface 90 Bottom is opposite across gap.It is set to the top end part of the protrusion 68 of another face 50B and the recess portion 108 for being set to mounting surface 90 Bottom is opposite across gap.
As described above, the protrusion of mounting surface 90 and the recess portion of another face 50B overlap each other, the recess portion of mounting surface 90 and another The protrusion of one face 50B overlaps each other, so as to make the thickness of the top end part of main body 2A and another face side 50B of inserts 5 M4 (referring to Fig. 7) overlaps each other on the axis direction of T-slot cutter 1.Accordingly, for T-slot cutter 1, embedded division 3 can be made Axis direction on protrusion length further shorten.
In addition, as described above, 71~recess portion of recess portion 78 of 91~protrusion of protrusion 98 of 90 side of mounting surface and 5 side of inserts is distinguished Abut, but 61~protrusion of protrusion 68 of 5 side of inserts not 90 side of mounting surface 101~recess portion of recess portion 108 contact.Thereby, it is possible to make Inserts 5 is balancedly overlapped in mounting surface 90 in parallel, therefore, embedded division 3 orthogonally can be installed on main body relative to main body 2A 2A。
In addition, as noted previously, as the protrusion 91~98 of mounting surface 90 and recess portion 101~108 meet above-mentioned protrusion and The configuration condition of recess portion, therefore inserts 5 can be also installed in turn to the mounting surface 90 of main body 2A.In this case, inserts 4 Also it is overlapped in turn with another face side 50B of inserts 5, the face side 50A of inserts 5 is installed on mounting surface 90, therefore T-slot Milling cutter 1 can become left sword.For example, the discharge direction of chip can be changed in the case where cutting slot has torsion.As a result, Such as in the case where right sword right-hand screw, chip is discharged to main body side, therefore, if the tool rack being installed on machine tool chief axis (saves Sketch map shows) curable grip of grip body rear end is weaker, then and main body is possible to fall off from tool rack.By becoming the right spiral shell of left sword Rotation, becomes the discharge direction of chip reversely, therefore can be avoided the problem of main body falls off from tool rack.
4, Figure 15 referring to Fig.1 illustrate the shape of the mounting surface 190 of main body 2B.Main body 2B has round in top end part Mounting surface 190.Inserts 4 (referring to Fig. 2, Fig. 3) can be installed in mounting surface 190.Hub 211 is respectively arranged in mounting surface 190 With 4 threaded holes 213~216.Hub 211 is set to the central part of mounting surface 190, is formed as extending along the axis of main body 2B It is substantially cylindric.4 threaded holes 213~216 are arranged respectively in ten word directions centered on hub 211, clockwise according to Secondary configuration.4 screws 8 (referring to Fig.1) can be fastened in these 213~threaded holes of threaded hole 216.
Mounting surface 190 has concaveconvex shape corresponding with the concaveconvex shape in two faces of inserts 4.Divide in mounting surface 190 It is not provided with the recess portion 201~208 of the substantially fan type of protrusion 191~198,8 of the substantially fan type of annular recessed portion 209,8. Protrusion 191 and protrusion 192 are respectively set in a manner of threaded hole 213 is clipped in the middle from circumferential two sides.Protrusion 193 and protrusion 194 are respectively set in a manner of threaded hole 214 is clipped in the middle from circumferential two sides.Protrusion 195 and protrusion 196 are with from circumferential two sides The mode that threaded hole 215 is clipped in the middle is respectively set.Threaded hole 216 to be clipped in by protrusion 197 and protrusion 198 from circumferential two sides Intermediate mode is respectively set.These 191~protrusions of protrusion 198 are provided projectingly in parallel relative to the axis direction of main body 2B, And it is respectively formed as going to top to attenuate towards 211 side of hub with the outer peripheral edge portion from mounting surface 190.
On the other hand, 201~recess portion of recess portion 208 is arranged between 191~protrusion of protrusion 198, in the axis of main body 2B On line direction, formed lower than 191~protrusion of protrusion 198 in axis direction rear end side.The setting of recess portion 201 is in protrusion 191 and convex Between portion 192, recess portion 202 is arranged between protrusion 192 and protrusion 193, the setting of recess portion 203 protrusion 193 and protrusion 194 it Between, recess portion 204 is arranged between protrusion 194 and protrusion 195, and recess portion 205 is arranged between protrusion 195 and protrusion 196, recess portion 206 are arranged between protrusion 196 and protrusion 197, and recess portion 207 is arranged between protrusion 197 and protrusion 198, and the setting of recess portion 208 exists Between protrusion 198 and protrusion 191,201~recess portion of recess portion 208 is respectively formed as with the outer peripheral edge portion direction from mounting surface 190 211 side of hub goes to top to attenuate.The position by 211 side of hub of recess portion 201 is arranged in threaded hole 213, and the setting of threaded hole 214 exists The position by 211 side of hub of recess portion 205, threaded hole is arranged in the position by 211 side of hub of recess portion 203, threaded hole 215 216 are arranged in the position by 211 side of hub of recess portion 207.
Annular recessed portion 209 is annularly arranged along the periphery of hub 211, annular recessed portion 209 and 201~recess portion of recess portion The 208 respective ends by 211 side of hub connect.Annular recessed portion 209 is on the axis direction of main body 2B, in axis direction rear end Side forms lower than 201~recess portion of recess portion 208.Also, 201~recess portion of 191~protrusion of protrusion 198 and recess portion of mounting surface 190 208 also meet the configuration condition of above-mentioned protrusion and recess portion.
4, Figure 15, Figure 17 referring to Fig.1, the method for illustrating to install embedded division 3 to main body 2B.In addition, here, explanation is to be made Keep inserts 4, the built-up sequence (positional relationship) of inserts 5 and the inserts 4 in T-slot cutter 1 shown in FIG. 1, the combination of inserts 5 suitable For the purpose of the opposite T-slot cutter of sequence (illustration omitted), method that embedded division 3 is installed to main body 2B.As described above, main body 2B can be installed for inserts 4.Therefore, make another face side 10B of the inserts 4 in embedded division 3 with 190 phase of mounting surface of main body 2B It is right.Then, the hub 211 of mounting surface 190 is made to be sequentially inserted into the axis hole 81 of the axis hole 41 of inserts 4, inserts 5.Also, make inserts 4 Another face 10B and mounting surface 190 overlap.At this point, another face 10B and mounting surface 190 become joint surface.
In Figure 17, the mounting surface 190 of main body 2B indicated by the solid line indicates inserts 4 with double dot dash line.It is set to inserts 4 The protrusion 21 of another face 10B be inserted into and be arranged at the recess portion 208 of mounting surface 190.It is set to the protrusion 22 of another face 10B Insertion is arranged at the recess portion 201 of mounting surface 190.The insertion of protrusion 23 for being set to another face 10B is arranged at mounting surface 190 Recess portion 202.The recess portion 203 for being arranged at mounting surface 190 is inserted into the protrusion 24 for being set to another face 10B.It is set to another The recess portion 204 for being arranged at mounting surface 190 is inserted into the protrusion 25 of a face 10B.Quilt is inserted into the protrusion 26 for being set to another face 10B It is set to the recess portion 205 of mounting surface 190.The recess portion for being arranged at mounting surface 190 is inserted into the protrusion 27 for being set to another face 10B 206.The recess portion 207 for being arranged at mounting surface 190 is inserted into the protrusion 28 for being set to another face 10B.
On the other hand, the recess portion for being arranged at another face 10B of inserts 4 is inserted into the protrusion 191 for being set to mounting surface 190 31.The recess portion 32 for being arranged at another face 10B is inserted into the protrusion 192 for being set to mounting surface 190.It is set to mounting surface 190 The recess portion 33 for being arranged at another face 10B is inserted into protrusion 193.The insertion of protrusion 194 for being set to mounting surface 190 is arranged at separately The recess portion 34 of one face 10B.The recess portion 35 for being arranged at another face 10B is inserted into the protrusion 195 for being set to mounting surface 190.If The recess portion 36 for being arranged at another face 10B is inserted into the protrusion 196 for being placed in mounting surface 190.It is set to the protrusion of mounting surface 190 197 insertions are arranged at the recess portion 37 of another face 10B.The insertion of protrusion 198 for being set to mounting surface 190 is arranged at another The recess portion 38 of face 10B.
Then, 4 screws 8 are inserted into respectively insertion hole 83~insertion hole 86 of inserts 5, inserts 4 insertion hole 43~it is slotting Enter hole 46, and is fastened respectively to 213~threaded hole of threaded hole 216 of mounting surface 190.So, embedded division 3 is fixed in master The mounting surface 190 of body 2B, constitutes aftermentioned T-slot cutter.
Also, by overlapping the protrusion of mounting surface 190 and the recess portion of another face 10B each other, make the recessed of mounting surface 190 Portion and the protrusion of another face 10B overlap each other, so as to make the top end part of main body 2B and another face side 10B of inserts 4 Thickness M2 overlap each other on the axis direction of T-slot cutter.T-slot cutter can make the axis direction of embedded division 3 as a result, On protrusion length further shorten.
In addition, though not being described in detail but it is also possible to be making the top of 191~protrusion of protrusion 198 of 190 side of mounting surface End is abutted with the bottom of 31~recess portion of recess portion 38 of 4 side of inserts respectively, makes the top end part of 21~protrusion of protrusion 28 of 4 side of inserts It is not contacted with the bottom of 201~recess portion of recess portion 208 of 190 side of mounting surface.In this case, inserts 4 can be made balancedly parallel It is overlapped in mounting surface 190, therefore, embedded division 3 can be orthogonally installed on main body 2B relative to main body 2B.
In addition, as described above, 191~protrusion of protrusion 198 of mounting surface 190 and 201~recess portion of recess portion 208 meet it is above-mentioned The configuration condition of protrusion and recess portion, therefore, inserts 4 can also be installed on the mounting surface 109 of main body 2B in turn.In the situation Under, inserts 5 is also overlapped with another face side 10B of inserts 4 in turn, and the face side 10A of inserts 4 is installed on mounting surface 190, Therefore, T-slot cutter can become left sword.
8~Figure 20 illustrates the method for adjustment of groove width and angular shape by the T slot of T-slot cutter chip referring to Fig.1.Such as figure Shown in 18, T-slot cutter 1 can cut T slot 501 on workpiece 100.The groove width Q (axial length of slot) and T-type of T slot 501 The thickness L3 (referring to Fig. 8) of the embedded division 3 of slotting cutter 1 is corresponding.The angular shape of T slot 501 refers to, the angle 501A of T slot 501, The respective shape of 501B.It is blade tip 11A~blade tip 18A shape of 11~blade of blade 18 of angle 501A, 501B and inserts 4, embedding Blade tip 51A~blade tip 58A shape of 51~blade of blade 58 of part 5 correspondingly forms as cone cell.Therefore, the slot of T slot 501 Wide Q and angular shape can simply be adjusted by changing type and the combination of the inserts of composition embedded division 3.
It, can in the case that for example, the angular shape of T slot 501 shown in desired Figure 18 remains unchanged and only groove width Q is elongated Use embedded division 3 shown in Fig. 9.The embedded division 3 is that inserts 6 is made to replace the inserts 5 of embedded division 3 shown in Fig. 8 and fold with inserts 4 Close and constitute.The blade tip shape of inserts 6 and the blade tip shape of inserts 5 are identical, but the thickness L4 of inserts 6 is than the thickness of inserts 5 L2 (referring to Fig. 7) is thick.Therefore, the thickness L5 of embedded division 3 is thicker than the thickness L3 of embedded division 3 shown in Fig. 8.By using with this The T-slot cutter of the embedded division 3 of sample carrys out cutting workpiece 100, can cut angular shape remain unchanged and only groove width Q elongated T Slot (illustration omitted).In addition, though not shown, but remained unchanged in the angular shape of desired T slot 501 and feelings that only groove width Q shortens Under condition, as long as such as group composition and division in a proportion inserts 5 (or inserts 4) thin inserts.
On the other hand, in the case where the groove width Q of desired T slot 501 is remained unchanged and only changed angular shape, it is able to use figure Embedded division 3 shown in 20.The embedded division 3 makes inserts 7 and inserts 9 overlap and constitute.Inserts 7 has and above-mentioned 4 (ginseng of inserts According to Fig. 4) identical thickness and surface shape, only blade tip shape is different.Inserts 9 has identical (referring to Fig. 7) with above-mentioned inserts 5 Thickness and surface shape, only blade tip shape is different.Therefore, it is constant to remain L3 for the thickness of embedded division 3.Inserts 7, inserts 9 are respective Two corners of blade tip be not taper and be shaped generally as rectangular-shaped.By utilizing the T-slot cutter with such embedded division 3 Carry out cutting workpiece 100, is remained unchanged and T slot (illustration omitted) of the angular shape as substantially straight horn shape so as to cut groove width Q.
Illustrate there is the T-slot cutter for the embedded division 3 being made of three inserts and by the T referring to Figure 21~Figure 23 The groove width of the T slot of T-slot cutter cutting and the method for adjustment of angular shape.Embedded division 3 shown in Figure 21 is to sandwich an inserts 5 It is superimposed between two identical inserts 4 and constitutes.As shown in figure 22, pass through the side's in above-mentioned such embedded division 3 The mounting surface 190 (4, Figure 15 referring to Fig.1) of the single side mounting body 2B of inserts 4, to constitute T-slot cutter 110.T-slot milling Knife 110 can cut T slot 502 on workpiece 100.Since the blade tip shape of inserts 4 is taper, the angular shape of T slot 502 It also is taper.
For example, expectation by the angular shape of T slot 502 remain taper it is constant and in the case where only change groove width Q1, as long as By the inserts 4 of the two sides in three inserts remain unchanged and by the inserts 5 for being sandwiched in center be changed to thickness it is different other are embedding Part.For example, as shown in figure 23, in embedded division 3, the inserts 4 of two sides remains unchanged and replaces inserts 6 inserts in center 5 overlap between two inserts 4.By using the T-slot cutter 210 with above-mentioned such embedded division 3 come skiver Part 100, so as to cut T slot 503.T slot 503 has angular shape identical with T slot 502 shown in Figure 22, groove width Q2 ratio Groove width Q1 long.Though being remained unchanged in the angular shape of desired T slot 502 and the case where only groove width Q1 shortens in addition, do not illustrated Under, as long as keeping the inserts 4 of two sides constant and 5 ground of inserts in center being replaced to clamp the inserts thinner than inserts 5.
In addition, in the case where the groove width Q1 of desired T slot 502 is remained unchanged and angular shape is only changed into approximate right angle, As long as example, remaining unchanged the inserts 6 in center and two inserts 4 of two sides being changed to inserts 7 (referring to Figure 20).Such as Upper described, inserts 7 has thickness identical with inserts 4 and surface shape, and only blade tip shape is approximate right angle.Have by utilizing The T-slot cutter (illustration omitted) of such embedded division (illustration omitted) carrys out cutting workpiece 100 as described above, so as to cut Groove width Q1 identical with slot 502 shown in Figure 22 and only T slot (illustration omitted) of the angular shape as approximate right angle out.
Referring to Figure 24~Figure 26, to illustrate the groove width method of adjustment of the T slot using spacer 300.In the present embodiment, In order to change the thickness of embedded division 3, spacer 300 can be sandwiched between the joint surface of two inserts overlapped each other.In addition, Here, in the embedded division 3 being made of three inserts shown in Figure 21, respectively to configure a spacer 300 in the two sides of inserts 5 In case where be illustrated.
As shown in figure 24, spacer 300 has 301,4 tab portions 311~314 of annulus.Annulus 301 is formed as Center has the ring-type of axis hole 310.4 tab portions 311~314 are equally spaced configured at annulus 301, be respectively formed as with The generally fan-shaped shape for going width to broaden towards outside from radially inner side.As shown in figure 25, the shape of tab portion 311~314 with it is embedding The recess shapes of part 5 are corresponding.
In Figure 25, spacer 300 indicated by the solid line indicates inserts 5 with double dot dash line.For example, in connecing as inserts 5 One face 50A configuration space part 300 in conjunction face.At this point, the annulus 301 of spacer 300 is configured the ring-type in a face 50A Tab portion 312 is configured the recess portion 72 in a face 50A by the configuration of tab portion 311 in the recess portion 78 of a face 50A by recess portion 79, By the configuration of tab portion 313 in the recess portion 74 of a face 50A, tab portion 314 is configured into the recess portion 76 in a face 50A.
Then, another face 10B (referring to Fig. 8, Fig. 9) of inserts 4 is superimposed on the inserts 5 configured with spacer 300 One face 50A.On the other hand, similarly for another face 50B of inserts 5, configuration space part 300 and by the one of inserts 4 A face 10A is superimposed on another face 50B of inserts 5 (referring to Figure 26).
At this point, each face in another face 50B of inserts 5 and a face 50A, the top of the protrusion 21 of inserts 4 Portion is abutted across the tab portion 311 of spacer 300 with the bottom of the recess portion 78 of inserts 5.The top end part of the protrusion 23 of inserts 4 across The bottom of the recess portion 72 of the tab portion 312 and inserts 5 of spacer 300 abuts.The top end part of the protrusion 25 of inserts 4 is across spacer 300 tab portion 313 is abutted with the bottom of the recess portion 74 of inserts 5.The top end part of the protrusion 27 of inserts 4 is across spacer 300 Tab portion 314 is abutted with the bottom of the recess portion 76 of inserts 5.
The thickness of embedded division 3 shown in Figure 26 becomes as a result, adds between two on the thickness of inserts 3 shown in Figure 21 The corresponding distance of size obtained by the thickness of spacing body 300, therefore the groove width of the T slot cut on workpiece can be lengthened.Separately It outside, can also be multiple with the spacer of 300 thickness of overlap ratio spacer, or overlapping in the case where expectation further lengthens groove width Spacer 300.In addition, with the groove width of change correspondingly, suitably change the thickness of the spacer 300 sandwiched in embedded division 3 Degree and number.In addition, present embodiment be illustrated with the embedded division 3 being made of three inserts for example, but It can be applied to the embedded division 3 being made of two or 4 or more inserts.
In addition, the method as the thickness for changing embedded division 3, in addition to the method described above, additionally it is possible to for example, by embedding Part 4 is overlapped the inserts (illustration omitted: L2 is identical) after distance (referring to Fig. 7) change by the N3 of inserts 5 and N4, to change insertion The thickness in portion 3.In addition it is possible to (save sketch map by the inserts after changing the distance of the N1 of inserts 4 and N2 to the overlapping of inserts 5 Show: L1 is identical), to change the thickness of embedded division 3.The thickness of embedded division 3 can also be changed by the above-mentioned such method of utilization, To adjust the groove width of T slot.
In the above description, the mounting surface 90,190 of main body 2A, 2B is equivalent to " contact surface " of the invention, imaginary line A1, A2 are equivalent to " the first imaginary line " of the invention, and imaginary line B1, B2 are equivalent to " the second imaginary line " of the invention.
As described above, the T-slot cutter of present embodiment has main body 2A, embedded division 3 and 4 screws 8.Spiral shell Embedded division 3 is removably secured to the top end part of main body 2A by nail 8.Embedded division 3 is that discoid inserts 4, inserts 5 is made to exist each other It is coaxial upper to overlap and constitute.Inserts 4 all has 21~protrusion of protrusion 28 and 31~recess portion of recess portion 38 in two faces.Protrusion 21~ Protrusion 28 is protrudedly formed from the center of the thickness direction of inserts 4 to the two sides of thickness direction respectively, is farthest away from the center Part.The part in addition to 21~protrusion of protrusion 28 is arranged in 31~recess portion of recess portion 38, is the portion lower than 21~protrusion of protrusion 28 Point.Inserts 5 also all has 61~protrusion of protrusion 68 and 71~recess portion of recess portion 78 in two faces.61~protrusion of protrusion 68 is respectively from embedding The center of the thickness direction of part 5 is protrudedly formed to the two sides of thickness direction, is the part farthest away from the center.Recess portion 71~recessed The part in addition to 61~protrusion of protrusion 68 is arranged in portion 78, is the part lower than 61~protrusion of protrusion 68.Make inserts 4, embedding When part 5 overlaps each other, the joint surface for being arranged on inserts 5 is inserted into 21~protrusion of protrusion 28 that the joint surface of inserts 4 is arranged in In any one of 71~recess portion of recess portion 78.The insertion of 61~protrusion of protrusion 68 for being set to the joint surface of inserts 5 is arranged at inserts 4 Joint surface 31~recess portion of recess portion 38 any one in.
Therefore, for T-slot cutter, since inserts 4, the combination of inserts 5 are constituted embedded division 3, cutting T slot can be corresponding with various groove widths and angular shape.In addition, the inserts 4, inserts 5 in embedded division 3 are in respective thickness Respective a part overlaps each other on direction, therefore the thickness of embedded division 3 is than the thickness as inserts 4, the respective monomer of inserts 5 Aggregate value is small.Therefore, T-slot cutter can shorten the protrusion length of embedded division 3, therefore can be improved tool rigidity, and energy Enough vibrations for inhibiting to generate when rotation.
In addition, in the above-described embodiment, the 21~protrusion of protrusion 28 for being set to inserts 4 is arranged on 11~blade of blade Between 18 and the axis hole 41 of inserts 4.That is, 21~protrusion of protrusion 28 with thickness in inserts 4 respectively with 11~blade of blade 18 are configured accordingly.T-slot cutter can be improved the rigid of the outer peripheral portion of bearing 11~blade of blade 18 of inserts 4 as a result, Property.
In addition, in the above-described embodiment, for example, the central part in inserts 5 is provided with the axis hole of through-thickness perforation 81.On the other hand, the top end part of main body 2A is provided with the mounting surface 90 with the single-contact of inserts 5, in the mounting surface 90 It is provided centrally with along the axially projecting of main body 2A and can be inserted into the hub 111 of axis hole 81.For example, inserts 5 is fixed on master When the mounting surface 90 of body 2A, the hub 111 of the side main body 2A is inserted into the axis hole 81 of inserts 5, in the single side and main body 2A for making inserts 5 The mounting surface 90 of side is fixed using 4 screws 8 in the state of contacting.T-slot cutter can be simply opposite by inserts 5 as a result, It is positioned in the top end part of main body 2A, therefore, can be carried out efficiently installation exercise of the inserts 5 relative to main body 2A.
In addition, in the above-described embodiment, mounting surface 90 be also respectively arranged with 91~protrusion of protrusion 98 and recess portion 101~ Recess portion 108.Position corresponding with the 71~recess portion of recess portion 78 of single side for being set to inserts 5 is arranged in 91~protrusion of protrusion 98. Position corresponding with 61~protrusion of protrusion 68 of inserts 5 is set to is arranged in 101~recess portion of recess portion 108.In the list for making inserts 5 When face and mounting surface 90 contact, the insertion of 61~protrusion of protrusion 68 for being set to the single side of inserts 5 is arranged on the recessed of mounting surface 90 In any one of 101~recess portion of portion 108.Therefore, T-slot cutter can further shorten the protrusion length of embedded division 3.
In addition, in the above-described embodiment, be provided with 4 insertion holes 83~86 in inserts 5, in mounting surface 90 with insert Enter hole 83~insertion hole 86 and is provided with 113~threaded hole of threaded hole 116 on corresponding position respectively.Therefore, 4 screws 8 divide Not Cha Ru 4 insertion holes 83~86, and be anchored on 113~threaded hole of threaded hole 116 of mounting surface 90, therefore, T-slot cutter energy It is enough that inserts 5 is firmly fixed at main body 2A.
In addition, in the above-described embodiment, it is set to the top end part of the 21~protrusion of protrusion 28 on the joint surface of inserts 4 and sets The bottom for being placed in the 71~recess portion of recess portion 78 on the joint surface of inserts 5 abuts, but is set to the protrusion 61 on the joint surface of inserts 5~convex The top end part in portion 68 is not contacted with the bottom of the 31~recess portion of recess portion 38 on the joint surface for being set to inserts 4.Thereby, it is possible to by inserts 4 joint surface and the joint surface of inserts 5 will not shake overlapping parallel to each other.It is constituted thereby, it is possible to make to overlap multiple inserts Embedded division 3 thickness it is uniform.
In addition, in the above-described embodiment, each face in two faces of inserts for constituting embedded division 3, the number of protrusion Amount and the quantity of recess portion are identical n, two with the most peripheral portion contacts of protrusion that will be drawn from the central part of inserts Imaginary line when protrusion is integrally incorporated between them shown in minimum angles be set as X, by draw from central part with It is embedding in the case that maximum angle when not including protrusion between two imaginary lines of the most peripheral portion contacts of recess portion is set as Y Part meets following full terms.
(1) X < Y
(2) the respective X's in n protrusion is total less than 180 °.
(3) the total of the respective Y of n recess portion is greater than 180 °.
(4) the maximum angle X in the respective X in n protrusionmaxLess than 180 °/n.
(5) the maximum angle Y in the respective Y of n recess portionmaxGreater than 180 °/n.
By the full terms more than meeting, even if in turn by inserts, being set to each face in two faces of inserts Protrusion and recess portion can also be overlapped with the recess portion of the inserts of another party and protrusion.Also, X+Y adjacent to each other is as 360/5 The case where situation is equal part, therefore, no matter how position can uninterruptedly be overlapped for protrusion and recess portion.
In addition, the inserts that above embodiment is different by the replacement thickness in embedded division 3, so as to change embedded division Therefore 3 thickness can simply adjust the groove width of the T slot cut on workpiece.
In addition, in the above-described embodiment, in the case where overlapping by three inserts and constituting embedded division 3, passing through change It is clipped in the thickness of the inserts in center, is cut on workpiece so as to simply be adjusted under the premise of not changing the angular shape of T slot The groove width for the T slot cut.
In addition, in the above-described embodiment, by constituting the inserts 4 of embedded division 3, the joint surface overlapped thickness of inserts 5 Different inserts 300, so as to change the thickness of embedded division 3, therefore can simply adjust the T slot cut on workpiece Groove width.
In addition, in the above-described embodiment, the configuration of spacer 300 protrusion 21~28 and the bottom of recess portion 71~78 it Between, wherein the protrusion 21~28 is set to the joint surface of inserts 4, which is set to the joint surface of inserts 5, and should The bottom of recess portion 71~78 is abutted with the top end part of the protrusion 21~28.As a result, due to can be to the groove width cut on workpiece Additional width corresponding with the thickness of spacer 300, therefore can simply adjust groove width.
In addition, the present invention is not limited certainly by the specific composition of above embodiment completely.For example, in above-mentioned implementation In mode, to be illustrated to the case where two inserts and overlapping are there are three inserts is overlapped with, but 4 or more can also be overlapped Inserts constitutes embedded division, can also constitute embedded division by an inserts.
Be set to the inserts 4 of above embodiment, the number in each insertion hole of inserts 5 is not limited to 4, but preferably with packet Enclose axis hole 41,81 mode be arranged it is multiple.In addition, inserts 4 or inserts 5 are fixed on by above embodiment using 4 screws 8 The mounting surface 90,190 of main body 2A, 2B, but also can use other means and detachably fix.For example, it is also possible to utilize Inserts is fixed in main body by a piece bolt.Go out although not shown, but in the type, makes hub from the mounting surface configured in main body Inserts axis hole it is prominent, the bar portion of screw is anchored on to the threaded hole that the top end part of the hub is arranged in.The head of bolt as a result, Portion and inserts engage with the face of the opposite side in the face of installation face contact, therefore, can will be embedding in the same manner as above embodiment Part is fixed on the mounting surface of main body.
In the above-described embodiment, the quantity for being set to inserts 4, each protrusion of inserts 5 and recess portion is 8, but as long as being Identical quantity, number is with regard to unrestricted.
In the above-described embodiment, for example, as shown in figure 8, being set to the 61~protrusion of protrusion 68 on the joint surface of inserts 5 Top end part is not contacted with the bottom of the 31~recess portion of recess portion 38 on the joint surface for being set to inserts 4, but can also be contacted.In addition, The top end part of the 61~protrusion of protrusion 68 on the joint surface for being set to inserts 5 opposite to thatly, can be made and be set to connecing for inserts 4 The bottom of the 31~recess portion of recess portion 38 in conjunction face contacts, and makes the top for the 21~protrusion of protrusion 28 for being set to the joint surface of inserts 4 not It is contacted with the bottom of the 71~recess portion of recess portion 78 on the joint surface for being set to inserts 5.
In the above-described embodiment, be set to the top end part of 61~protrusion of protrusion 68 of another face 50B of inserts 5 not with It is set to the bottom contact of 101~recess portion of recess portion 108 of the mounting surface 90 of main body 2A, but can also be contacted.
In addition, 11~blade of blade 18 of the inserts 4 of above embodiment is towards radial outside protrusion in substantially rectangular shape, And it is formed parallel to relative to axial, but can also reverse.The blade 51~58 of inserts 5 is also the same.

Claims (12)

1. a kind of T-slot cutter is used to process the slot of T-shaped on workpiece, which is included
Columned main body；
Discoid embedded division；And
The embedded division is fixed on the axial one end of the main body by fixation member in a manner of assemble and unassemble,
It is characterized in that,
The embedded division can by one outer peripheral edge portion have blade discoid inserts constitute, or by by it is multiple There is outer peripheral edge portion the discoid inserts of blade overlapped on the same axis each other to constitute,
The inserts all has in two faces:
Protrusion is protrudedly formed from the two sides of center towards the thickness direction of the thickness direction of the inserts respectively, and It is farthest apart from the center；And
The part other than the protrusion is arranged in recess portion, respectively from the center towards the two sides of the thickness direction It is protrudedly formed, and lower than the protrusion,
When multiple inserts have been superimposed together on the same axis each other, in the engagement of the whole inserts overlapped each other In face,
Institute on the joint surface as the first inserts of an inserts in two inserts adjacent to each other is set Protrusion insertion is stated to be arranged in the recess portion on the joint surface as the second inserts of another inserts,
The protrusion insertion being arranged on the joint surface of second inserts is arranged on described in first inserts In the recess portion on joint surface.
2. T-slot cutter according to claim 1, which is characterized in that
The protrusion is arranged between the blade and the central part of the inserts.
3. T-slot cutter according to claim 1, which is characterized in that
It is equipped with the axis hole penetrated through along the thickness direction in the central part of the inserts,
In the one end of the main body, the contact surface with the single-contact of the inserts is set,
It is provided in the central part of the contact surface along the axially projecting of the main body and the hub of the axis hole can be inserted into.
4. T-slot cutter according to claim 2, which is characterized in that
It is equipped with the axis hole penetrated through along the thickness direction in the central part of the inserts,
In the one end of the main body, the contact surface with the single-contact of the inserts is set,
It is provided in the central part of the contact surface along the axially projecting of the main body and the hub of the axis hole can be inserted into.
5. T-slot cutter according to claim 3, which is characterized in that
It is respectively arranged on the contact surface:
Main body side protrusion is positioned against the single-face side highlightedly corresponding with the recess portion of the single side is set to Setting, and can be inserted into the recess portion；And
Main body side pocket is arranged more convex than the main body side in position corresponding with the protrusion of the single side is set to Portion is low, and the protrusion can be made to be inserted into the inside of the main body side pocket.
6. T-slot cutter according to claim 5, which is characterized in that
The fixation member is screw,
The insertion hole for penetrating through along the thickness direction and the bar portion of the screw being supplied to be inserted into is set in the inserts,
The threaded hole for fastening the screw is arranged in position corresponding with the insertion hole in the contact surface.
7. T-slot cutter according to claim 1, which is characterized in that
The top end part for the protrusion being arranged on the joint surface of first inserts and second inserts is set The bottom of the recess portion on the joint surface abuts,
Be arranged in the top end part of the protrusion on the joint surface of second inserts not be arranged in first inserts The joint surface on the recess portion bottom contact.
8. T-slot cutter according to claim 1, which is characterized in that
Each face in two faces of the inserts,
The quantity of the protrusion and the quantity of the recess portion are identical n,
Exist being drawn from the central part of the inserts with two the first imaginary lines of the most peripheral portion contacts of the protrusion Minimum angles shown in when the protrusion is integrally incorporated between them are set as X, will draw from the central part and institute It states maximum angle when not including the protrusion between two the second imaginary lines of the most peripheral portion contacts of recess portion and is set as Y, In this case,
X < Y,
A respective X's in protrusion of n is total less than 180 °,
N the total of the respective Y of recess portion are greater than 180 °,
Maximum angle X in the n respective X in protrusionmaxLess than 180 °/n,
Maximum angle Y in the n respective Y of recess portionmaxGreater than 180 °/n.
9. T-slot cutter according to claim 1, which is characterized in that
When overlapping on the same axis each other by multiple inserts and constituting the embedded division,
By the way that any one of multiple described inserts are changed to the different inserts of thickness, so as to simply adjust benefit The groove width cut on the workpiece with the blade being separately positioned on multiple inserts.
10. T-slot cutter according to claim 1, which is characterized in that
The embedded division includes
First inserts；
Second inserts；And
Third inserts is the inserts being superimposed between first inserts and second inserts,
It is can adjusting the slot cut on the workpiece with the axial direction by changing the thickness of the third inserts Length, that is, groove width on parallel direction.
11. T-slot cutter described according to claim 1~any one of 10, which is characterized in that
Spacer with plate, when multiple inserts have been superimposed together on the same axis each other, which is overlapped Between the joint surface of first inserts and the joint surface of second inserts.
12. T-slot cutter according to claim 11, which is characterized in that
The spacer arrangement in the protrusion being arranged on the joint surface in first inserts and with the protrusion Between the bottom of top end part abutting and the recess portion being arranged on the joint surface of second inserts.
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